SanitizeOnShutdown (Selective)

Clear data on shutdown.

Note

Starting with Firefox 136, FormData and History have been separated again.

Compatibility: Firefox 68, Firefox ESR 68 (Locked added in 74/68.6, History update in Firefox 128)
CCK2 Equivalent: N/A
Preferences Affected: privacy.sanitize.sanitizeOnShutdown, privacy.clearOnShutdown.cache, privacy.clearOnShutdown.cookies, privacy.clearOnShutdown.downloads, privacy.clearOnShutdown.formdata, privacy.clearOnShutdown.history, privacy.clearOnShutdown.sessions, privacy.clearOnShutdown.siteSettings, privacy.clearOnShutdown.offlineApps, privacy.clearOnShutdown_v2.historyFormDataAndDownloads (Firefox 128), privacy.clearOnShutdown_v2.cookiesAndStorage (Firefox 128), privacy.clearOnShutdown_v2.cache (Firefox 128), privacy.clearOnShutdown_v2.siteSettings (Firefox 128), privacy.clearOnShutdown_v2.formdata (Firefox 128)

Values

SanitizeOnShutdown accepts one or more of the following:

• Cache
• Cookies
• Downloads Download History (Deprecated - part of History)
• FormData Form History
• History Browsing History, Download History
• Sessions Active Logins
• SiteSettings Site Preferences
• OfflineApps Offline Website Data (Deprecated - part of Cookies)
• Locked prevents the user from changing these preferences.

Windows (GPO)

Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cache = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cookies = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\FormData = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\History = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Sessions = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\SiteSettings = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Locked = 0x1 | 0x0

Windows (Intune)

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/A_SanitizeOnShutdown_Cache

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/B_SanitizeOnShutdown_Cookies

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/E_SanitizeOnShutdown_FormData

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/E_SanitizeOnShutdown_History

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/F_SanitizeOnShutdown_Sessions

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/G_SanitizeOnShutdown_SiteSettings

Value (string):

<enabled/> or <disabled/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/I_SanitizeOnShutdown_Locked

Value (string):

<enabled/> or <disabled/>

macOS

<dict>
  <key>SanitizeOnShutdown</key>
  <dict>
    <key>Cache</key>
    <true/> | <false/>
    <key>Cookies</key>
    <true/> | <false/>
    <key>FormData</key>
    <true/> | <false/>
    <key>History</key>
    <true/> | <false/>
    <key>Sessions</key>
    <true/> | <false/>
    <key>SiteSettings</key>
    <true/> | <false/>
    <key>Locked</key>
    <true/> | <false/>
  </dict>
</dict>

policies.json

{
  "policies": {
    "SanitizeOnShutdown": {
      "Cache": true | false,
      "Cookies": true | false,
      "FormData": true | false,
      "History": true | false,
      "Sessions": true | false,
      "SiteSettings": true | false,
      "Locked": true | false
    }
  }
}